public class Computer {
    public  String name;
    public int score;
    public int caiquan;
    public void showFirst(){
        caiquan=(int)(Math.random()*3+1);
        switch (caiquan){
            case 1: System.out.println(name+"出拳：石头");break;
            case 2: System.out.println(name+"出拳：剪刀");break;
            case 3: System.out.println(name+"出拳：布");break;

        }
    }
}
